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Laboratory evaluation of the efficacy of root extracts of Mucuna pruriens (Fabaceae) against the migratory locust, Locusta migratoria (Orthoptera: Acrididae)

Abdalla Mohamed Abdalla, Lecoq Michel, Luong-Skovmand My-Hanh, El-Bashir S.. 2006. Laboratory evaluation of the efficacy of root extracts of Mucuna pruriens (Fabaceae) against the migratory locust, Locusta migratoria (Orthoptera: Acrididae). In : Expert seminars of revising and complementing teaching modules on research methodologies on natural sciences, February 28 - March 8, 2006, El Obeid, Sudan. s.l. : s.n., p. 37. Regional DAAD Workshop, El Obeid, Soudan, 28 February 2006/8 March 2006.

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Abstract : The development of environmentally friendly locust control methods has attracted a plethora of attention in recent years. Many products, including botanicals, have thus been extensively evaluated as possible alternatives to the commonly used chemical pesticides, and the search continues. In this study, laboratory tests were undertaken to investigate the efficacy of water/ethanol root extracts of Mucuna pruriens (Fabaceae) against the migratory locust, Locusta migratoria Linné (Orthoptera, Acrididae). Mortality and time to death were used to evaluate the efficacy, and Deltametherin (EC) was considered as a reference standard chemical insecticide. Efficacy of the extracts as contact poisons was determined by direct spraying, topical application and by dipping, whereas stomach action was determined by ingestion of contaminated food. The different bioassays show that the extracts of Mucuna are toxic to the migratory locust and have a potential as substitutes for some of the environmentally hazardous chemical pesticides currently in use for locust control. (Texte intégral)

Mots-clés Agrovoc : Locusta migratoria, Mucuna pruriens, Lutte biologique, Plante pesticide, Pesticide d'origine végétale

Classification Agris : H10 - Pests of plants

Auteurs et affiliations

  • Abdalla Mohamed Abdalla, University of Kordofan (SDN)
  • Lecoq Michel, CIRAD-AMIS-UPR Acridologie (FRA)
  • Luong-Skovmand My-Hanh, CIRAD-AMIS-UPR Acridologie (FRA)
  • El-Bashir S., University of Khartoum (SDN)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/532071/)

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